Partial Knee Replacement

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In the early stages of osteoarthritis, often only one side of the knee is damaged. This is usually the inner side of the knee but, although less common, arthritis can also affect the outer side of the knee.

Recent research has found that approximately 50% of knee replacement patients are candidates for Partial Knee Replacement1. By having a Partial Knee Replacement before osteoarthritis progresses, you may be able to prevent the disease from spreading2, and avoid having to undergo a Total Knee Replacement.

Osteoarthritis on one side, Partial Knee Candidate (Above)

A Partial Knee Replacement, also known as a uni-compartmental knee replacement, will replace only the damaged side of the knee, preserving the undamaged cartilage. This may result in:

A smaller incision, with a less invasive procedure3 and less post-operative pain4 compared to Total Knee Replacement

Keeping the four natural ligaments, which help provide stability and balance

An artificial joint which functions more like your natural knee5

Benefits of Partial Knee Replacement vs. Total Knee Replacement

There are many reasons that Partial Knee patients are happier5 and more satisfied7 with their knee replacement compared to Total Knee Replacement patients.

Partial Knee Replacement has:

A more natural fit*8

An improved range of motion*3,9

A more rapid recovery and shorter hospital stay has been reported with a minimally invasive technique used in partial knee replacement*9

A higher percentage of patients return to low-impact sports10 and are able to walk longer*9

Mobile Bearing Partial Knee Total Knee

There are many things to consider when choosing the right treatment for knee arthritis and your orthopaedic surgeon should take your goals into account following a knee replacement. The orthopaedic surgeon will consider many factors, such as age, bone density and the shape of joints to determine the most appropriate type of knee replacement for you.